Key Points Buffett, Druckenmiller, and Englander loaded up on Alphabet stock in Q3. Alphabet's Quantum AI unit is a leader in quantum computing. However, these billionaires likely focused more on Alphabet's advertising and AI opportunities. 10 stocks we like better than Alphabet › If you follow billionaire investors, you'll quickly find that they don't always see eye-to-eye. Their portfolios reveal significantly different investment styles. However, the ultra-wealthy investors sometimes agree on ...